Cheapest return flights from Boston to San Jose in January from 218€

AirHint found the following cheapest return flights from Boston (BOS) to San Jose (SJO) in January 2026 (see full year).

Return flights

12 Jan - 22 Jan United
19 Jan - 23 Jan United
31 Jan - 04 Feb United
16 Jan - 20 Jan Copa
05 Jan - 14 Jan Copa
15 Jan - 19 Jan Copa
28 Jan - 01 Feb Copa
07 Jan - 17 Jan United
21 Jan - 31 Jan United
02 Jan - 12 Jan Copa
08 Jan - 15 Jan United
21 Jan - 22 Jan Spirit Airlines
31 Jan - 01 Feb Spirit Airlines
21 Jan - 04 Feb Spirit Airlines
21 Jan - 01 Feb Spirit Airlines
22 Jan - 04 Feb Spirit Airlines
22 Jan - 01 Feb Spirit Airlines
25 Jan - 04 Feb Spirit Airlines
25 Jan - 01 Feb Spirit Airlines
28 Jan - 04 Feb Spirit Airlines

Also check the deals for one-way flights from Boston to San Jose in January.

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